Search a number
-
+
54222997 is a prime number
BaseRepresentation
bin1100111011011…
…0000010010101
310210000210222011
43032312002111
5102340113442
65214104221
71225613353
oct316660225
9123023864
1054222997
11286755a4
12161ab071
13b30661a
1472b67d3
154b61117
hex33b6095

54222997 has 2 divisors, whose sum is σ = 54222998. Its totient is φ = 54222996.

The previous prime is 54222977. The next prime is 54223009. The reversal of 54222997 is 79922245.

54222997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34562641 + 19660356 = 5879^2 + 4434^2 .

It is a cyclic number.

It is not a de Polignac number, because 54222997 - 219 = 53698709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54222967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27111498 + 27111499.

It is an arithmetic number, because the mean of its divisors is an integer number (27111499).

Almost surely, 254222997 is an apocalyptic number.

It is an amenable number.

54222997 is a deficient number, since it is larger than the sum of its proper divisors (1).

54222997 is an equidigital number, since it uses as much as digits as its factorization.

54222997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 54222997 is about 7363.6266200833. The cubic root of 54222997 is about 378.4958941402.

The spelling of 54222997 in words is "fifty-four million, two hundred twenty-two thousand, nine hundred ninety-seven".